<html>
<head>
    <meta charset="UTF-8">
</head>
<body>
<h1>文件上传</h1>
<form action="/upload" method="post" enctype="multipart/form-data">
    <label for="file">选择的文件:</label>
    <input type="file" id="file" name="file"><br><br>
    <input type="submit" name="提交">
</form>
</body>
</html>